’Symmetrodontans’

DESCRIBER    Cifelli, 1990
TIME    Cretaceous Late
Turonian
CLADE    Trechnotheria
CLASS    Mammalia
ORDER    Incertae Sedis
FAMILY    Spalacotheriidae
SUB FAMILY    Spalacolestinae
FOSSILSITE    Smokey Hollow, Smokey Hollow Member of the Straight Cliffs Formation, Utah, United States
INFO

Spalacotheridium mckennai (Cifelli, 1990) > Spalacotheridium noblei (Cifelli & Madsen, 1999)

Based on isolated teeth